//   OData .NET Libraries
//   Copyright (c) Microsoft Corporation. All rights reserved.  
//   Licensed under the Apache License, Version 2.0 (the "License");
//   you may not use this file except in compliance with the License.
//   You may obtain a copy of the License at

//       http://www.apache.org/licenses/LICENSE-2.0

//   Unless required by applicable law or agreed to in writing, software
//   distributed under the License is distributed on an "AS IS" BASIS,
//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//   See the License for the specific language governing permissions and
//   limitations under the License.

namespace Microsoft.OData.Core.UriParser.Semantic
{
    using Microsoft.OData.Edm;

    /// <summary>
    /// Represents an aliased parameter in a function call that has not yet been resolved to a specific value.
    /// </summary>
    public class ODataUnresolvedFunctionParameterAlias : ODataValue
    {
        /// <summary>
        /// Initializes a new instance of <see cref="ODataUnresolvedFunctionParameterAlias"/>.
        /// </summary>
        /// <param name="alias">The alias provided as the parameter value.</param>
        /// <param name="type">The EDM type of the parameter represented by this alias.</param>
        public ODataUnresolvedFunctionParameterAlias(string alias, IEdmTypeReference type) 
        {
            ExceptionUtils.CheckArgumentStringNotNullOrEmpty(alias, "alias");
            this.Alias = alias;
            this.Type = type;
        }

        /// <summary>
        /// The EDM type of the parameter represented by this alias.
        /// </summary>
        public IEdmTypeReference Type { get; private set; }

        /// <summary>
        /// The alias provided as the parameter value.
        /// </summary>
        public string Alias { get; private set; }
    }
}
